Below is a list of Blow Molded Plastics manufacturers from Merrillville, Indiana. Blow molded plastics are those thermoplastic resins such as high and low density polycarbonate, polypropylene, polyvinyl chloride, polystyrene, polyamide, and acetal that have been through the process of plastic blow molding to form hollow, thin walled containers and products. Blow molders use blow molded plastic to manufacture many different products, including toys, blow molded cases and drums, plastic beverage bottles and containers, sports equipment and a number of products used widely in the consumer industry.